Motorcycle UD 70 Chain vibration

Hey Guys,

I recently changed the chain sprocket of the tire because the last one had gone bad. The bike chain from than on has been vibrating - making a zrrrrr sound when I ride it. When ever I spin the tire by hand I can see ripples in the chain. Further, when the bike is clutch free a sound like (tuck) comes after every rotation completes.

I used to ride around 80kmh previously but now when I am riding only on 60kmh.

Hey Guys
Thanks for the replies.
I checked the chain and sprockets. I think there is some issue with the wheel alignment. But chain and sprocket looks fine (chain is still oiled and new, and sharp edges on sprocket (back))
Its been a week and the bike is running smooth (considering the roads of Karachi) I am driving am 80kmh.

I think its fine and do not need a mechanic lookover at the moment as I am tight on budget